Multiple outlet microarterial bridge for digital replantation
OwnerThomas F. Craisinventor
Life of this patent
Estimating the term…
Abstract
An apparatus and method for reestablishing and maintaining a blood supply to one or more severed digital arteries comprising: an elongated, flexible tubular means for insertion into a major artery which conveys blood to a reservoir means which controls the flow of blood from the tubular means to a blood distribution means which is further comprised of: a plurality of elongated tubes which are inserted into an artery of a severed digit to be reestablished and maintained with blood; and circumferential clamping means for forming a substantially fluid-tight connection of the tubes within each severed digital artery after insertion.
Claims21
An apparatus for reestablishing and maintaining a blood supply to one or more severed digital arteries, comprising:
- a. first elongated tubular means for conveying blood having proximal and distal end portions, said proximal end providing a needle means adapted for insertion of said proximal end into a major artery;
- b. blood distribution means comprising in part a plurality of elongated tubes, each of said tubes having a proximal and distal end portion, said distal end portion adapted for insertion into an artery of a severed digit to be reestablished and maintained with blood;
- c. reservoir means connecting the distal end of said tubular means with the proximal end of each of said tubes for controlling the flow of blood from said first tubular means to said blood distribution means;
- d. means associated with the distal end of each of said tubes for forming a substantially fluid-tight connection of the said tubes within each severed digital artery after insertion.
An apparatus for reestablishing and maintaining blood supply to one or more severed digital arteries, comprising:
- a. a first elongated flexible tubular means for conveying blood having proximal and distal end portions said proximal end providing a needle means convergently tapered for insertion of said proximal end into a major artery;
- b. blood distribution means comprising in part a plurality of elongated tubes, of a diameter less than said first elongated tubular means, each of said tubes having a proximal and distal end portion, said distal end portion convergently tapered for insertion into an artery of a severed digit to be reestablished and maintained with blood;
- c. reservoir means, of a diameter larger than the first elongated tubular means, connecting the distal end of said tubular means with the proximal end of each of said tubes for controlling the flow of blood from said first tubular means to said blood distribution means;
- d. circumferential clamping means associated with the distal end of each of said tubes for forming a substantially fluid-tight connection of the said tubes within each severed digital artery after insertion.
A method for reestablishing and maintaining the blood supply to one or more severed digital arteries comprising:
- a. inserting the proximal end of a first elongated tubular means for conveying blood into a major artery;
- b. connecting, by means of a reservoir, the distal end of said first tubular means with the proximal end of each of a plurality of elongated tubes of a blood distribution means;
- c. inserting the distal end of each of said elongated tubes within a severed digital artery;
- and
- d. forming a substantially fluid-tight connection of said elongated tubes within each severed digital artery after insertion.
Dependencies are inferred from the claim text.